Occurrence of Catonyx cuvieri (Lund, 1839) (Tardigrada, Scelidotheriinae) in late Pleistocene-Holocene of Brazil

André, Mario; Dantas, T. K. S.; Zucon, Maria Helena; Campos, José Aloísio de

doi:10.4072/rbp.2007.2.06

Cited by 15 publications

(14 citation statements)

References 8 publications

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“…A espécie Catonyx cuvieri pode não ter sido restrita ao Pleistoceno, apresentando também registros pertencentes a momentos iniciais do Holoceno (Hubbe et al, 2009). A presença de C. cuvieri entre os materiais recuperados na Gruta Tacho de Ouro sugere a ocorrência de áreas abertas proximamente a comunidades mais arbustivas (Dantas & Zucon, 2007;Castro & Langer, 2011;Corona et al, 2013). Além disso, de acordo com Corona et al (2013), a espécie possivelmente não possuía hábitos exclusivos a um clima específico, sugerindo que esta poderia ser encontrada em zonas que exibiam temperaturas mais baixas ou mais altas.…”

Section: Aspectos Paleoambientaisunclassified

Mamíferos fósseis do Quaternário da Gruta Tacho de Ouro, Tocantins, Norte do Brasil: diversidade, tafonomia e aspectos paleoicnológicos e paleoambientais

Buchmann

Guimarães

Rocha-dos-Santos

et al. 2017

Rev. bras. paleontol.

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, have revealed important fossil accumulations attributed to the Upper Pleistocene-Holocene. Recently, the first fossil records were recovered from the Tacho de Ouro cave, which are assigned to Tayassu pecari, Cervidae indet., Odocoileus virginianus, Mazama sp., Palaeolama major, Tapirus sp., Coendou sp. and Catonyx cuvieri. The presence of extinct taxa suggests that this fossil assemblage maybe attributed to the late Pleistocene-Holocene interval. Information on the recognized habitats for the species found in the cave indicates an environment affected by climatic variations in this interval, corroborating with the hypothesis of non-contemporaneity of the species. The presence of O. virginianus in Tacho de Ouro cave represents the southmost occurrence of the species in Brazil. The taphonomical analysis indicates that the animals probably perished externally to the cave and then were carried into the cave by a low-energy hydraulic flow, being quickly buried in contact with the vadose level of the cave. Trace fossils observed in some specimens are associated with the predation or scavenging by carnivores (Fodinichnia).

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Section: Aspectos Paleoambientaisunclassified

Mamíferos fósseis do Quaternário da Gruta Tacho de Ouro, Tocantins, Norte do Brasil: diversidade, tafonomia e aspectos paleoicnológicos e paleoambientais

Buchmann

Guimarães

Rocha-dos-Santos

et al. 2017

Rev. bras. paleontol.

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“…Somente nos últimos dez anos pesquisas com esta temática começaram a ocorrer com maior frequência no Estado de Sergipe, focando principalmente no registro de novos táxons e na identificação de faunas locais de tanques e cavernas (e.g. Dantas & Zucon, 2007;Dantas, 2009). Mesmo assim, nota-se que a fauna de Sergipe ainda é pouco conhecida quando comparada com os demais estados da RIB, como por exemplo, Bahia (Cartelle, 1992), Pernambuco (Oliveira et al, 2009) e Piauí (Guérin et al, 1996).…”

Section: Introductionunclassified

Megafauna do Pleistoceno superior de Sergipe, Brasil: registros taxonômicos e cronológicos

Dantas¹,

Porpino²,

Bauermann³

et al. 2011

Rev. bras. paleontol.

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LATE PLEISTOCENE MEGAFAUNA FROM SERGIPE, BRAZIL: TAXONOMIC AND CHRONOLOGICAL RECORDS. The Sergipe State is included in the Intertropical Region of Brazil (= IRB), and its fauna of large (biomass > 44 kg) and megamammals (biomass > 1000 kg) is still unknown. This paper reports three taxa for Fazenda Charco locality: Toxodon platensis Owen, Smilodon populator Lund, and Pachyarmatherium brasiliense Porpino, Fernicola & Bergqvist; the latter constitutes the first record for this northeastern state of Brazil. Ages for the three faunal localities (Fazenda Elefante, Gararu Municipality; Fazenda Charco and Fazenda São José, Poço Redondo Municipality) are estimated between 50,000 and 38,000 years BP, and this period of time includes two different climates. Finally, the present authors are engaged in an ongoing project to elucidate in more detail the ecology of the species found in the IRB.

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“…The diet of C. cuvieri was in contrast to a browser diet expected for a Scelidotherinae (Bargo et al , 2006a, b; Dantas et al , 2017). The analyzed sample (UGAMS 35324; Table S1) belonged to an adult individual (Dantas & Zucon, 2007), thus, we hypothesize that the environmental conditions led to a change of its diet with a major consumption of C 4 grass and roots.…”

Section: Resultsmentioning

confidence: 99%

Integrative isotopic Paleoecology (δ¹³C, δ¹⁸O) of a Late Pleistocene vertebrate community from Sergipe, NE Brazil

Dantas

Cherkinsky

Lessa

et al. 2018

Preprint

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26Isotopes are one of the best tools to reconstruct the Paleoecology of extinct taxa, 27 yielding insights about their diet (through carbon; C 3 and C 4 plants), niche breadth (B A ) 28 and the environment in which they lived. In the present work we go deeper in the use of 29 isotopes and explore a mathematical mixing model with the stable isotopes of two 30 elements (carbon and oxygen) to (1) suggest the relative contribution of four types of 31 food resources (leaves, fruits, roots and C 4 grass) for meso-and megaherbivores (weight 32 > 100 kg) that lived in the Late Pleistocene of Poço Redondo, Sergipe, Brasil, and (2) 33 evaluate which of these herbivores could be the potential prey for the carnivores 34 Smilodon populator and Caiman latirostris. To explore the intra/interspecific 35 competition of these fauna, we generate weight estimation, standardized niche breadth 36 (B A ) for the meso-megamammals from Sergipe and compare with data from the meso-37 megaherbivores from Africa, concluding that Eremotherium laurillardi and Toxodon 38 platensis were the best resource competitors in the Late Pleistocene of Sergipe, and 39 reinforcing their importance as key species in this extinct community. Finally, we 40 reconstructed the paleoenvironment in which the vertebrate community of Sergipe 41 lived, estimating Mean Annual Temperature (ºC), Mean Annual Precipitation, Biomass 42 and Energy Expendidure, noting that environments in the Late Pleistocene of Sergipe 43were similar to those of Africa nowadays, but hotter and with more energy expenditure 44 for these meso-megamammals. 45 46 47 48 65 Most researchers use carbon and nitrogen isotopic data, extracting these data from 66 collagen. However, in tropical regions these proteins are difficult to be preserved, 67 leaving only the possibility to use carbon and oxygen isotopic data extracted from 68 hydroxyapatite. This mineral usually survives much better than the organic fractions of 69 collagen (Cherkinsky, 2009), being in tropical regions the best option to recover diet 70 information from extinct species. 71 The isotopic composition of hydroxyapatite can be preserved with minimal or no 72 significant diagenetic alteration. Hydroxyapatite carbonate and phosphate in bone and 73 dentin are more susceptible to diagenetic overprinting than enamel (Bocherens et al., 74 1996), for example. 75 Substitutions are mainly in the phosphate position and are most likely in the 76 hydroxyl position. The absorbed carbonates are more labile, but substitute ones are 77 structural carbonates, and, thus, contribute to saving the original isotopic composition 78 (Cherkinsky, 2009). 79 Thus, the main aims of this paper were to use mathematical mixing models using 80 carbon and oxygen isotopic (extracted from hydroxyapatite) data from fossil 81 vertebrates: (i) to infer four types of resources for herbivores (leaf, fruit, root and C 4 82 grass); (ii) to suggest, among the herbivorous mammals from Sergipe, Brazil, which 83 contributed to the isotopic diet of predators such as Smilodon...

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Occurrence of Catonyx cuvieri (Lund, 1839) (Tardigrada, Scelidotheriinae) in late Pleistocene-Holocene of Brazil

Cited by 15 publications

References 8 publications

Mamíferos fósseis do Quaternário da Gruta Tacho de Ouro, Tocantins, Norte do Brasil: diversidade, tafonomia e aspectos paleoicnológicos e paleoambientais

Mamíferos fósseis do Quaternário da Gruta Tacho de Ouro, Tocantins, Norte do Brasil: diversidade, tafonomia e aspectos paleoicnológicos e paleoambientais

Megafauna do Pleistoceno superior de Sergipe, Brasil: registros taxonômicos e cronológicos

Integrative isotopic Paleoecology (δ¹³C, δ¹⁸O) of a Late Pleistocene vertebrate community from Sergipe, NE Brazil

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Occurrence of Catonyx cuvieri (Lund, 1839) (Tardigrada, Scelidotheriinae) in late Pleistocene-Holocene of Brazil

Cited by 15 publications

References 8 publications

Mamíferos fósseis do Quaternário da Gruta Tacho de Ouro, Tocantins, Norte do Brasil: diversidade, tafonomia e aspectos paleoicnológicos e paleoambientais

Mamíferos fósseis do Quaternário da Gruta Tacho de Ouro, Tocantins, Norte do Brasil: diversidade, tafonomia e aspectos paleoicnológicos e paleoambientais

Megafauna do Pleistoceno superior de Sergipe, Brasil: registros taxonômicos e cronológicos

Integrative isotopic Paleoecology (δ13C, δ18O) of a Late Pleistocene vertebrate community from Sergipe, NE Brazil

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Integrative isotopic Paleoecology (δ¹³C, δ¹⁸O) of a Late Pleistocene vertebrate community from Sergipe, NE Brazil